CN218193060U - A rear axle housing cap oil plug welding tool - Google Patents

Abstract

The utility model discloses a rear axle housing cap oil plug welding tool, which relates to the field of rear axle housing processing and includes an electric welding torch, the tail of the electric welding torch is fixedly connected with a welding torch seat, and the welding torch seat is set on On the sliding rod, the two ends of the sliding rod are respectively fixedly connected with fixed blocks, and a threaded positioning rod is rotatably connected between the two fixed blocks, and a linkage hole is opened on the other side of the welding torch seat away from the limit hole, so that Said welding torch seat is screwed and rotatably connected with the threaded positioning rod through the linkage hole. The utility model sets the bottom of the traditional electric welding torch as a welding torch seat with a limit hole and a linkage hole, and drives the welding torch seat to slide horizontally on the sliding rod by rotating the threaded positioning rod, thereby realizing the adjustment of the electric welding torch relative to the first stepping motor mechanism. The distance change caused by horizontal movement realizes the control of the radius of the welding ring when there is a requirement for rotary welding. The utility model can be adapted for precise welding for oil plugs within a certain size range.

Description

A rear axle housing cap oil plug welding tool

technical field

The utility model relates to the field of rear axle housing processing, in particular to a rear axle housing cap oil plug welding tool.

Background technique

At present, there are many types of vehicles on the market, and the types of rear axle housing caps used for automobile rear axles also increase accordingly. To process different types of rear axle housing caps, it is necessary to customize and weld them with matching processing equipment, and the size of the equipment is relatively large. , The manufacturing cost is high, especially for the production of a single small batch of prototypes, and the manufacturing cost of customized equipment is high.

At the same time, in the actual processing and welding process, in order to avoid the high cost of custom-made equipment, manual welding is often used instead. Although manual welding can complete the welding of workpieces of different models and sizes, compared with machine Processing, processing efficiency is low.

Contents of the invention

Based on this, the purpose of this utility model is to provide a rear axle housing cap oil plug welding tool to solve the technical problem of high manufacturing cost of customized equipment required for welding different types of rear axle housing cap oil plugs.

In order to achieve the above object, the utility model provides the following technical solutions: a rear axle housing cap oil plug welding tool, including an electric welding torch, the tail of the electric welding torch is fixedly connected with a welding torch seat, and one side of the welding torch seat has a limited opening. position hole, the welding torch seat is set on the sliding rod through the limit hole, the two ends of the sliding rod are respectively fixedly connected with fixed blocks, and the two fixed blocks are rotatably connected with a threaded positioning rod, and the inside of the welding torch seat A linkage hole is provided on the other side away from the limit hole, and the welding torch seat is screwed and rotatably connected with the threaded positioning rod through the linkage hole.

By adopting the above technical scheme, the bottom of the traditional electric welding torch is set as a welding torch seat with a limit hole and a linkage hole, and the horizontal movement of the electric welding torch is realized by turning the threaded positioning rod to drive the welding torch seat to slide horizontally on the sliding rod.

The utility model is further configured that the sliding rod is relatively kept parallel to the threaded positioning rod, and the welding torch seat is slidably connected with the sliding rod.

By adopting the above-mentioned technical scheme, the sliding rod and the threaded positioning rod are relatively kept parallel through two sets of fixing blocks, which ensures the accuracy of the scale of the welding torch seat during the sliding process and the controllability of the position of the subsequent welding point.

The utility model is further provided that, among the two fixed blocks, one of the fixed blocks located on one side of the head of the electric welding torch is provided with a first stepping motor mechanism, and the first stepping motor mechanism is far away from the electric welding torch head. One side of the welding torch head is provided with a second stepping motor mechanism.

By adopting the above technical scheme, the first stepping motor mechanism is driven to rotate by controlling the rotating shaft of the second stepping motor mechanism, and the first stepping motor mechanism is used as the center of rotation to drive The rotation of the threaded positioning rod further controls the position of the welding torch seat and the electric welding torch on the sliding rod and the threaded positioning rod, which realizes the control of the radius of the welding ring when there is a requirement for rotary welding.

The utility model is further configured that a connection platform is fixedly connected to the bottom of the second stepping motor mechanism, and a lifting mechanism is fixedly connected to the bottom of the connection platform.

By adopting the above technical solution, the lifting function of all the instruments carried on the connecting table is realized, and the height can be adjusted to match the height of the workpiece to be processed.

The utility model is further provided that the bottom of the lifting mechanism is fixedly connected with a sliding seat, the bottom of the sliding seat is provided with a base, and the side of the base close to the top of the sliding seat is provided with a slide rail. The sliding seat is slidably connected with the base through the slide rail.

By adopting the above technical solution, the horizontal sliding function of all the instruments carried on the sliding seat can be easily adjusted to adapt to the horizontal distance between them and the workpiece to be processed.

In summary, the utility model mainly has the following beneficial effects:

The utility model sets the bottom of the traditional electric welding torch as a welding torch seat with a limit hole and a linkage hole, and drives the welding torch seat to slide horizontally on the sliding rod by rotating the threaded positioning rod, thereby realizing the adjustment of the electric welding torch relative to the first stepping motor mechanism. The distance change caused by the horizontal movement is aimed at the regular ring shape of the welding track during the welding process of the oil plug of the rear axle housing cap. By controlling the rotation of the shaft of the second stepping motor mechanism, the first stepping motor mechanism is driven to rotate, and the first stepping motor mechanism is rotated. As the center of rotation, the motor mechanism controls the rotation of the stepping motor inside the first stepping motor mechanism to drive the rotation of the threaded positioning rod to further control the position of the welding torch seat and electric welding torch at the position of the sliding rod and the threaded positioning rod. For the control of the radius of the welding ring, for the welding work of oil plugs with different diameters, the utility model can be adapted for precise welding for oil plugs within a certain size range.

Description of drawings

Fig. 1 is the main structure schematic diagram of the present utility model;

Fig. 2 is the partially enlarged schematic view of the main body structure of the present utility model;

Fig. 3 is a schematic structural view of the welding torch seat of the present invention;

Fig. 4 is a schematic diagram of the movement of the welding torch seat of the present invention;

FIG. 5 is a schematic diagram of positional relationship adaptation during use of the utility model.

In the figure: 1. Electric welding torch; 2. Slide rod; 3. Thread positioning rod; 4. Conductive slip ring; 5. Fixed block; 6. Connection platform; 7. Lifting mechanism; 8. Rear axle housing cap; ;10, installation frame; 11, oil plug; 12, reinforcement bolt; 13, welding torch seat; 14, limit hole; 15, linkage hole; 16, sliding seat; 17, slide rail; 18, base; Stepping motor mechanism; 20, the second stepping motor mechanism.

detailed description

Embodiments of the utility model will be further described below in conjunction with the accompanying drawings.

Example 1

A rear axle housing cap oil plug welding tool, as shown in Figure 1 and Figure 2, includes a base 18, a support column 9 is fixed on the base 18, a mounting frame 10 is fixed on the support column 9, and the rear axle housing cap 8 is reinforced by The bolt 12 fixes the oil plug 11 at the pre-welded position, and the reinforcement bolt 12 penetrates through the extension of the rear axle housing cap 8 and fixes it with the mounting frame 10, realizing the fixing of the rear axle housing cap 8 and the oil plug 11 relative to the base 18.

Among them, the reinforcement bolt 12 only serves as a temporary reinforcement for the rear axle housing cap 8 and the oil filling plug 11 during the welding process. The shell cap 8 is removed from the mounting bracket 10 .

During use, at first the rear axle housing cap 8 and the oil plug 11 are fixed on the installation frame 10 by the reinforcement bolt 12, then the height of the connecting platform 6 is adjusted by the lifting mechanism 7, so that the center of the second stepping motor mechanism 20 shafts is aligned with the oil plug. 11 corresponds to the center of the hole, then open the external power supply of the first stepping motor mechanism 19, adjust the position of the electric welding torch 1, and adjust the position of the sliding seat 16 on the base 18 at the same time, so that the gun head of the electric welding torch 1 and the oil plug 11 Abut against the outer edge of the rear axle housing cap 8 to ensure that the electric welding torch 1 can weld the contact point, open the external power supply of the second stepping motor mechanism 20, and check that the electric welding torch 1 is working with the second stepping motor mechanism 20 When the center of the rotating shaft is the rotation center, whether the torch head of the electric welding torch 1 is in contact with the outer edge of the oil filling plug 11 and the rear axle housing cap 8 at any rotation angle. After checking to ensure that everything is ready, close the second The external power supply of the stepping motor mechanism 19, open the external power supply of the electric welding torch 1, implement contact point welding, open the external power supply of the second stepping motor mechanism 20 at the same time to make the gun head of the electric welding torch 1 along the oil plug 11 and the rear axle housing The outer edge of the cap 8 is continuously welded until the welding operation is completed. Finally, adjust the sliding seat 16 to keep the electric welding torch 1 away from the rear axle housing cap 8, and remove the rear axle housing cap 8 from the mounting frame 10 by removing the reinforcement bolts 12

As shown in Figure 1, on the base 18, a slide rail 17 is installed on the other side corresponding to the mounting frame 10, the slide seat 16 can slide on the base 18 by the slide rail 17, the slide seat 16 is fixed with the elevating mechanism 7, and the elevating mechanism 7 A connection platform 6 is fixed above, and the connection platform 6 realizes the height lifting with the base 18 through the lifting mechanism 7, and realizes the height adjustment of the electric welding torch 1 and other related parts carried on the connection platform 6, so as to complete the electric welding torch 1 pair in the fixed position. Welding of rear axle housing cap 8 and oil filling plug 11.

As shown in Figure 1, the second stepping motor mechanism 20 is provided on the connection table 6, and the second stepping motor mechanism 20 can drive the first stepping motor mechanism 19 that is arranged on the top of the rotating shaft to rotate, as shown in Figure 2, the fixed The fixed block 5 on one side of the first stepping motor mechanism 19 is driven by the rotating shaft of the second stepping motor mechanism 20 to realize circular motion. On the sliding rod 2, cooperate with the sliding rod 2 through the limit hole 14, and realize sliding through the cooperation between the threaded positioning rod 3 and the linkage hole 15, so that when the rotating shaft of the second stepping motor mechanism 20 drives the electric welding torch 1 to do circular motion, electric welding Welding torch 1 can change the half-pound size of the circular motion track by sliding. For oil plugs 11 of different sizes, before welding, the distance between welding torch 1 and the second stepping motor mechanism 20 shaft can be adjusted to complete the required welding half. As shown in Figure 5, during welding, the second stepper motor mechanism 20 shaft center should correspond to the hole center of the oil plug 11, this step can be adjusted by the lifting mechanism 7, the gun head of the electric welding torch 1 It should abut against the outer edge where the oil plug 11 is in contact with the rear axle housing cap 8. This step can be realized by adjusting the welding torch seat 13 through the threaded positioning rod 3, and the second stepping motor mechanism 20 shaft center should be in contact with the oil plug 11. Under the premise that the center of the hole is corresponding, when the electric welding torch 1 rotates with the second stepping motor mechanism 20 rotating shaft center as the rotation center, at any rotation angle, the torch head of the electric welding torch 1 is in contact with the oil plug 11 and the rear axle housing. The outer edges where the cap 8 contacts are in abutment.

On the basis of the above structure, in the present embodiment, the electric welding torch 1 and the first stepping motor mechanism 19 obtain external power by connecting the conductive slip ring 4, and the rotation axis of the motor shaft in the second stepping motor mechanism 20 should be the same as that of the first stepping motor mechanism 20. The motor rotating shaft in the stepping motor mechanism 19 is vertical and intersected in space, and the motor rotating shaft in the second stepping motor mechanism 20 should keep the space parallel with the middle section bar of the electric welding torch 1 and the slide rail 17.

The above examples only express the specific implementation manners of the utility model, and the description thereof is relatively specific and detailed, but it should not be interpreted as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

Claims (7)

1. A rear axle housing cap oil plug welding frock, comprising an electric welding torch, is characterized in that: the afterbody of the electric welding torch is fixedly connected with a welding torch seat, and one side of the welding torch seat inside offers a limited hole, and the welding torch seat Set on the sliding rod through the limit hole, the two ends of the slide rod are respectively fixedly connected with the fixed block, the threaded positioning rod is rotatably connected between the two fixed blocks, and the other side of the welding torch seat is far away from the limit hole. A linkage hole is opened on the side, and the welding torch seat is screwed and rotatably connected with the threaded positioning rod through the linkage hole. 2 . The rear axle housing cap oil plug welding tool according to claim 1 , wherein the sliding rod is relatively parallel to the threaded positioning rod, and the welding torch seat is slidably connected to the sliding rod. 3 . 3. A rear axle housing cap oil plug welding tool according to claim 1, characterized in that: among the two fixed blocks, a first Stepper motor mechanism. 4 . The rear axle housing cap oil plug welding tool according to claim 3 , wherein a second stepping motor mechanism is provided on the side of the first stepping motor mechanism away from the head of the electric welding torch. 5 . 5. A rear axle housing cap oil plug welding tool according to claim 4, characterized in that: the bottom of the second stepping motor mechanism is fixedly connected with a connecting platform, and the bottom of the connecting platform is fixedly connected with a lifting mechanism. 6. A rear axle housing cap oil plug welding tool according to claim 5, characterized in that: the bottom of the lifting mechanism is fixedly connected with a sliding seat, and the bottom of the sliding seat is provided with a base. 7. A rear axle housing cap oil plug welding tool according to claim 6, characterized in that: a slide rail is provided on the top side of the base close to the sliding seat, and the sliding seat is slidably connected to the base through the slide rail .

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